<div class="form-group col-lg-12 col-md-12 col-sm-12 col-xs-12" id="form_group_{$form.name}">
    <div class="col-xs-12 col-xs-12 col-md-1 label-title" for="{$form.name}">{$form.title|htmlspecialchars}：</div>
    <div class="col-sm-12 col-xs-12 col-md-4">
        <select class="select2 form-control" id="{$form.name}" name="{$form.name}[]" {$form.attr|default=''} multiple="multiple">
            <option value="">{:lang('请选择')}</option>
            {volist name="form.extra" id="option"}
            <option value="{$key}" {if (in_array($key, explode(',',$form.value)))}selected{/if}>{$option|raw}</option>
            {/volist}
        </select>
        {notempty name="form.tips"}
        <div class="help-block">{$form.tips|raw}</div>
        {/notempty}
    </div>
</div>
